/**
 * 自机类
 * */
function Player(x,y,shootX,shootY,bitmapData,hp){
    base(this,Plain,[x,y,shootX,shootY,bitmapData,hp]);
    var self = this;
    self.belong = "self";
    self.downX = self.downY = 0;
}

Player.prototype.removeRun = function (){
    var self = this;
    plainLayer.removeChild(self);
    return;
}